A novel two-dimensional coordination polymer constructed by 1, 4-benzenedicarboxylate and cobalt ion was synthesized by solvothermal technique. The crystal structure of the compound was discussed in detail. The compound crystallized in the monoclinic, space group P21/n with a = 1.560 1(3) nm,b = 0.976 85(19) nm,c = 1.592 6(3) nm,α = 90°,β= 109.819°, γ= 90°,V = 2.283 4(8) nm3,Z = 2, R1,=0.069 2WR2 = 0.116 4.